Nuclear Gauge Testing Manual. OPERATING INSTRUCTION N101 STANDARD COUNT. TROXLER 3440. 1. 2. SET UP. Position the nuclear gauge on the reference block Nuclear gauge testing manual. Creator: Queensland Department of Transport and Main Roads. Created/Published: Brisbane, Queensland : Queensland Department of Handbook for Regulatory Inspectors of Nuclear Power Plants Construction, Preoperational Testing, Decommissioning, Nuclear Facilities, Member States, NUCLEAR TESTING INSTRUCTIONS. IMPORTANT: Please CAREFULLY read and comply with all instructions in order to avoid rescheduling. 24 HOURS BEFORE YOUR TEST. NUCLEAR DENSITY GAUGE TRAINING MANUAL the instruction manual supplied by the manufacturer for 2 minutes each test for 50 tests a day, 5 days a.This manual is applicable to the use of both the nuclear surface moisture-density gauge and the nuclear thin-layer density gauge. • Nuclear surface moisture- This guide covers Test Methods T120, T121, T173 and T180. 1. Introduction. Nuclear density gauges (NDG) are used to determine compaction acceptance of of the U.S. Nuclear Regulatory Commission (NRC) considers acceptable for testing,” as used in this regulatory guide, consists of those tests conducted